Distribution of Triassic salt bed is very wide in Sichuan Area and the condition of salt rock creep resulting in casing collapse is existing.
四川地区三迭系盐岩层分布广泛，盐岩层蠕变挤毁套管的客观条件是存在的。
Through the creep characteristic curves and parameters, the creep constitutive equation of rock salt is regressed and agrees with the experiment result.
通过实验获得的蠕变曲线和岩石参数，回归出了盐岩的蠕变本构方程，结果表明该方程能较好的模拟实验结果。
The nonlinear creep damage mechanism of rock salt is investigated with triaxial creep tests, theoretical analysis and numerical simulation in the study.
本文通过盐岩三轴蠕变实验、理论分析和数值计算研究了盐岩的非线性蠕变损伤机理。
Rheological phenomenon is a common dynamic action with its creep damage being one of the major damage types of rock salt.
流变是岩盐类软岩的一种常见力学行为，其蠕变损伤破坏是岩盐的主要破坏形式之一。
The main reason of casing failure in most oilfields is the plastic flow in salt rock, gypsolyte and shale due to creep.
我国大部分油田套管损坏的原因主要是岩盐层、膏岩层、泥岩层等由于蠕变产生的塑性流动而挤坏套管的。
The creep property of rock salt with mudstone interlayer is key to the stability analysis of oil and gas storage caverns in rock salt.
含高盐份泥岩夹层的盐岩蠕变特性是油气储库稳定性的关键问题所在。
The creep mechanical parameters of Jintan rock salt are obtained with fitting tests data into the model.
最后，根据盐岩三轴蠕变实验结果拟合得到了金坛盐岩的非线性蠕变力学参数。
The topic of development in this text is study on creep property of rock salt with salt-mudstone interlayer and stability of oil and gas storage cavern.
本文以含高盐份泥岩夹层的盐岩蠕变特性及油气储库稳定性研究作为研究课题。
Through uniaxial and triaxial compression and creep experiment of rock salt under on high temperature and high pressure, the strength and time dependent properties of rock salt are studied.
本文通过对盐岩单轴、三轴的强度与蠕变实验结果的分析，研究了应力状态对盐岩的强度及其时间相关性特征的影响。
The creep of salt rock is very harmful in petroleum drilling.
盐岩蠕变对石油钻井危害性极大。
Salt rock can make borehole close in the effect of creep, which often leads to stuck.
盐岩在应力作用下发生蠕变导致井眼闭合，常引起钻具卡钻事故。
Therefore, there is some significance for studying the law of salt-gypsum rock creep in drilling engineering.
因此，开展盐膏岩蠕变规律的研究具有十分重要的工程意义。
It showed that the constitutive model could be used to simulate mechanical characteristics of rock salt such as creep and damage properties.
其结果表明，此模型能够较好地应用于盐岩的模拟分析。
It showed that the constitutive model could be used to simulate mechanical characteristics of rock salt such as creep and damage properties.
其结果表明，此模型能够较好地应用于盐岩的模拟分析。
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